.\"     $OpenBSD: vflush.9,v 1.6 2013/07/17 20:21:55 schwarze Exp $
.\"
.\" Copyright (C) 2001 Chad David <davidc@acns.ab.ca>. All rights reserved.
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.\" $FreeBSD: src/share/man/man9/vflush.9,v 1.2 2001/12/14 09:11:13 ru Exp $
.\"
.Dd $Mdocdate: July 17 2013 $
.Dt VFLUSH 9
.Os
.Sh NAME
.Nm vflush
.Nd flush vnodes for a mount point
.Sh SYNOPSIS
.In sys/param.h
.In sys/vnode.h
.Ft int
.Fn vflush "struct mount *mp" "struct vnode *skipvp" "int flags"
.Sh DESCRIPTION
The
.Fn vflush
function removes any vnodes in the vnode table that belong to the given
mount structure.
.Pp
Its arguments are:
.Bl -tag -width ".Fa rootrefs"
.It Fa mp
The mount point whose vnodes should be removed.
.It Fa skipvp
If this is given, the vnode it represents will be skipped.
.It Fa flags
The flags indicating how vnodes should be handled.
.Bl -tag -width ".Dv WRITECLOSE"
.It Dv FORCECLOSE
If set, busy vnodes will be forcibly closed.
.It Dv SKIPSYSTEM
If set, vnodes with the
.Dv VSYSTEM
flag set will be skipped.
.It Dv WRITECLOSE
If set, only regular files currently opened for writing will be removed.
.El
.El
.Sh RETURN VALUES
A value of 0 is returned if the flush is successful; otherwise,
.Er EBUSY
will be returned.
.Sh SEE ALSO
.Xr vgone 9 ,
.Xr vgonel 9 ,
.Xr vnode 9 ,
.Xr vrele 9
.Sh AUTHORS
This man page was originally written by
.An Chad David Aq Mt davidc@acns.ab.ca
for
.Fx .
